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Finding the Fourth Proportional to 2,315.94, 3,472.83 and 1,342.32

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Solution

The fourth proportional to 2,315.94, 3,472.83 and 1,342.32 is: 2,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.94 : 3,472.83 = 1,342.32 : x
  2. Step 2: Convert to fraction form
    2,315.94/3,472.83 = 1,342.32/x
  3. Step 3: Cross multiply
    2,315.94x = 3,472.83 × 1,342.32
  4. Step 4: Simplify right side
    2,315.94x = 4,661,649.17
  5. Step 5: Solve for x
    x = 4,661,649.17/2,315.94
  6. Step 6: Final answer
    x = 2,012.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.